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[212.171.227.71]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c250a88af72sm400480666b.36.2026.08.26.00.00.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Aug 2026 00:00:21 -0700 (PDT) Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Wed, 26 Aug 2026 09:00:19 +0200 Message-Id: To: "David Lechner" , "Carlo Caione" , "GSS_MTK_Uboot_upstream" , From: "Carlo Caione" Subject: Re: [PATCH v4 2/6] configs: mt8188: enable eMMC FIT boot from SPL Cc: "Julien Masson" , "Quentin Schulz" , "Marek Vasut" , "Ryder Lee" , "Weijie Gao" , "Chunfeng Yun" , "Igor Belwon" , "Julien Stephan" , "Macpaul Lin" , "Tom Rini" , "Ilias Apalodimas" , "Vitor Sato Eschholz" , "Johan Jonker" , "Bastien Curutchet" , "Neil Armstrong" , "Alexey Charkov" , "Suhrid Subramaniam" , "Arnaud Ferraris" , =?utf-8?b?UGFibG8gU3VuICjlravmr5Pnv5Qp?= X-Mailer: aerc 0.22.0 References: <20260814-ccaione-upstream-mt8390-spl-v4-0-f4f92978a79e@baylibre.com> <20260814-ccaione-upstream-mt8390-spl-v4-2-f4f92978a79e@baylibre.com> <2f402d43-d5f1-44bb-831c-5fdc71e12da9@baylibre.com> In-Reply-To: <2f402d43-d5f1-44bb-831c-5fdc71e12da9@baylibre.com> X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org On Tue Aug 25, 2026 at 10:01 PM CEST, David Lechner wrote: > On 8/14/26 9:47 AM, Carlo Caione wrote: >> Enable the Genio 510 and Genio 700 SPL path entered by the external DDR >> loader at 0x40000000. Bind the raw SPL to the loader's 0xaf000-byte copy >> window, place BSS separately in DRAM, and retain the non-overlapping SPL >> malloc region. >>=20 >> Use generic SPL MMC, GPT, FIT, and Arm Trusted Firmware support to load >> the firmware FIT from eMMC partition 1. Keep U-Boot proper at the shared >> MT8188 CONFIG_TEXT_BASE of 0x4c000000. >>=20 >> The MediaTek BL31 used on these boards stalls when passed the runtime >> devicetree as its platform parameter. Enable SPL_ATF_NO_PLATFORM_PARAM >> so SPL can still use the tree to locate OP-TEE and U-Boot while passing >> NULL as the separate BL31 platform parameter. > > If we do another revision, it could be nice to explain where some more of > these parameters come from. For example, 0x400bb800 seem quite specific > like there would be a reason for it rather than a nice round number. I'll fix the commit message in the next version. -- Carlo Caione